<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>baidu</title>
    <style>
    .nav {
        width: 100%;
        height: 50px;
        display: flex;
        justify-content: space-between;
        border: 1px solid #333;
    }   
    .nav .left {
        width: 500px;
        height: 50px;
        display: flex;
        justify-content: space-around;
        border: 1px solid #333;
    }
    .nav .right {
        width: 150px;
        height: 50px;
        display: flex;
        justify-content: space-around;
        border: 1px solid #333;
    }
    .content {
        width: 90%;
        height: 900px;
        border: 1px solid #333;
        margin: 50px auto;
        display: flex;
        flex-wrap: wrap;
    }
    .content .search {
        width: 750px;
        height: 140px;
        margin: 15px auto;
        border: 1px #333 solid;
    }
    .content .nav {
        width: 100%;
        height: 600px;
        border:1px solid #333;
        display: flex;
        justify-content: space-around;

    }
    .content .nav .nav_left {
        width: 46%;
    
        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .content .nav .nav_left .items {
        width: 98%;
        height: 100px;
        border: 1px #333 solid;
    }
    .content .nav .nav_left .nav_item {
        width: 98%;
        height: 30px;
        border: 1px #333 solid;
        display: flex;
    }
    .content .nav .nav_left .nav_item .nav_item_items {
        width: 70px;
        height: 30px;
        border: 1px #333 solid;
    }
    .content .nav .nav_right {
        width: 46%;

        display: flex;
        flex-direction: column;
        justify-content: space-between;
    }
    .content .nav .nav_right .items {
        width: 98%;
        height: 50px;
        border: 1px #333 solid;
    }
    .content .nav .nav_right .hotsearch_item {
        width: 98%;
        height: 20px;
        border: 1px #333 solid;
    }
    .content .nav .nav_right .hotsearch_item {
        width: 98%;
        height: 20px;
        border: 1px #333 solid;
    }


    </style>
</head>
<body>
    <div class="nav">
        <div class="left"></div>
        <div class="right"></div>
    </div>
    <div class="content">
        <div class="search"></div>
        <div class="nav">
            <div class="nav_left">
                <div class="nav_item">
                    <div class="nav_item_items"></div>
                    <div class="nav_item_items"></div>
                    <div class="nav_item_items"></div>
                </div>
                <div class="items"></div>
                <div class="items"></div>
                <div class="items"></div>
                <div class="items"></div>
                <div class="items"></div>
                
            </div>
            <div class="nav_right">
                <div class="hotsearch_item"></div>
                <div class="items"></div>
                <div class="items"></div>
                <div class="items"></div>
                <div class="items"></div>
                <div class="items"></div>
                <div class="items"></div>
                <div class="items"></div>
                
            </div>
        </div>
    </div>
</body>
</html>